<?php
/**
 * The Header for our theme.
 *
 * Displays all of the <head> section and everything up till <div id="main">
 *
 * @package WordPress
 * @subpackage Twenty_Eleven
 * @since Twenty Eleven 1.0
 */
?>
<!DOCTYPE html>
<!--[if IE 6]>
<html id="ie6" <?php language_attributes(); ?>>
<![endif]-->
<!--[if IE 7]>
<html id="ie7" <?php language_attributes(); ?>>
<![endif]-->
<!--[if IE 8]>
<html id="ie8" <?php language_attributes(); ?>>
<![endif]-->
<!--[if !(IE 6) | !(IE 7) | !(IE 8)  ]><!-->
<html <?php language_attributes(); ?>>
<!--<![endif]-->
<head>
<meta charset="<?php bloginfo( 'charset' ); ?>" />
<meta name="viewport" content="width=device-width" />
<title><?php
/*
 * Print the <title> tag based on what is being viewed.
 */
global $page, $paged;

wp_title ( '|', true, 'right' );

// Add the blog name.
bloginfo ( 'name' );

// Add the blog description for the home/front page.
$site_description = get_bloginfo ( 'description', 'display' );
if ($site_description && (is_home () || is_front_page ()))
	echo " | $site_description";
	
	// Add a page number if necessary:
if ($paged >= 2 || $page >= 2)
	echo ' | ' . sprintf ( __ ( 'Page %s', 'twentyeleven' ), max ( $paged, $page ) );

?></title>
<link rel="profile" href="http://gmpg.org/xfn/11" />
<link rel="stylesheet" type="text/css" media="all"
	href="<?php bloginfo( 'stylesheet_url' ); ?>" />
<link rel="pingback" href="<?php bloginfo( 'pingback_url' ); ?>" />
<!--[if lt IE 9]>
<script src="<?php echo get_template_directory_uri(); ?>/js/html5.js" type="text/javascript"></script>
<![endif]-->
<?php
/*
 * We add some JavaScript to pages with the comment form to support sites with
 * threaded comments (when in use).
 */
if (is_singular () && get_option ( 'thread_comments' ))
	wp_enqueue_script ( 'comment-reply' );
	
	/*
 * Always have wp_head() just before the closing </head> tag of your theme, or
 * you will break many plugins, which generally use this hook to add elements to
 * <head> such as styles, scripts, and meta tags.
 */
wp_head ();
?>
</head>

<body <?php body_class(); ?>>
	<div id="page" class="hfeed">
		<header id="branding" role="banner">
			<hgroup>
				<h1 id="site-title">
					<span><a href="<?php echo esc_url( home_url( '/' ) ); ?>"
						title="<?php echo esc_attr( get_bloginfo( 'name', 'display' ) ); ?>"
						rel="home"><?php bloginfo( 'name' ); ?></a></span>
				</h1>
				<!-- <h2 id="site-description"><?php bloginfo( 'description' ); ?></h2> -->
			</hgroup>

			<?php
			// Check to see if the header image has been removed
			//屏蔽header大图片， 实在是太大了
			//$header_image = get_header_image ();
			if ($header_image) :
				// Compatibility with versions of WordPress prior to 3.4.
				if (function_exists ( 'get_custom_header' )) {
					// We need to figure out what the minimum width should be
					// for our featured image.
					// This result would be the suggested width if the theme
					// were to implement flexible widths.
					$header_image_width = get_theme_support ( 'custom-header', 'width' );
				} else {
					$header_image_width = HEADER_IMAGE_WIDTH;
				}
				?>
			<a href="<?php echo esc_url( home_url( '/' ) ); ?>">
				<?php
				// The header image
				// Check if this is a post or page, if it has a thumbnail, and
				// if it's a big one
				if (is_singular () && has_post_thumbnail ( $post->ID ) && ( /* $src, $width, $height */ $image = wp_get_attachment_image_src ( get_post_thumbnail_id ( $post->ID ), array (
						$header_image_width,
						$header_image_width 
				) )) && $image [1] >= $header_image_width) :
					// Houston, we have a new header image!
					echo get_the_post_thumbnail ( $post->ID, 'post-thumbnail' );
				 else :
					// Compatibility with versions of WordPress prior to 3.4.
					if (function_exists ( 'get_custom_header' )) {
						$header_image_width = get_custom_header ()->width;
						$header_image_height = get_custom_header ()->height;
					} else {
						$header_image_width = HEADER_IMAGE_WIDTH;
						$header_image_height = HEADER_IMAGE_HEIGHT;
					}
					?>
					<img src="<?php header_image(); ?>"
				width="<?php echo $header_image_width; ?>"
				height="<?php echo $header_image_height; ?>" alt="" />
				<?php endif; // end check for featured image or standard header ?>
			</a>
			<?php endif; // end check for removed header image ?>

			<?php
			// Has the text been hidden?
			if ('blank' == get_header_textcolor ()) :
				?>
				<div
				class="only-search<?php if ( $header_image ) : ?> with-image<?php endif; ?>">
				<?php get_search_form(); ?>
				</div>
			
			 <?phpelse :
				?>
				<?php get_search_form(); ?>
			<?php endif; ?>

			<nav id="access" role="navigation">
				<h3 class="assistive-text"><?php _e( 'Main menu', 'twentyeleven' ); ?></h3>
				<?php /* Allow screen readers / text browsers to skip the navigation menu and get right to the good stuff. */ ?>
				<div class="skip-link">
					<a class="assistive-text" href="#content"
						title="<?php esc_attr_e( 'Skip to primary content', 'twentyeleven' ); ?>"><?php _e( 'Skip to primary content', 'twentyeleven' ); ?></a>
				</div>
				<div class="skip-link">
					<a class="assistive-text" href="#secondary"
						title="<?php esc_attr_e( 'Skip to secondary content', 'twentyeleven' ); ?>"><?php _e( 'Skip to secondary content', 'twentyeleven' ); ?></a>
				</div>
				<?php /* Our navigation menu. If one isn't filled out, wp_nav_menu falls back to wp_page_menu. The menu assigned to the primary location is the one used. If one isn't assigned, the menu with the lowest ID is used. */ ?>
				<?php wp_nav_menu( array( 'theme_location' => 'primary' ) ); ?>
			</nav>
			<!-- #access -->
		</header>
		<!-- #branding -->


		<div id="main">